/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/PreviewMesh.h
Update the internal mesh by copying the given Mesh
void UpdatePreview ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) * Mesh, [ERenderUpdateMode](API\Plugins\ModelingComponents\UPreviewMesh\ERenderUpdateMode) UpdateMode, EMeshRenderAttributeFlags ModifiedAttribs )